DSTU2

This page is part of the FHIR Specification (v1.0.2: DSTU 2). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R4B R4 R3 R2

Extension: Standard Deviation (same units as the quantity)

URL for this extension: 

http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty

Status: draft. Extension maintained by: Health Level Seven International (Modeling and Methodology)

The primary measure of variance/uncertainty of the value (the square root of the sum of the squares of the differences between all data points and the mean).

Context of Use: Use on data type: Quantity

usage info: insert a list of places where this extension is used

Extension Content

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1decimalURL = http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty
Standard Deviation (same units as the quantity): The primary measure of variance/uncertainty of the value (the square root of the sum of the squares of the differences between all data points and the mean).
Use on data type: Quantity

doco Documentation for this format

Fulle Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty
Standard Deviation (same units as the quantity): The primary measure of variance/uncertainty of the value (the square root of the sum of the squares of the differences between all data points and the mean).
Use on data type: Quantity
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty"
... valueDecimal 1..1decimalValue of extension

doco Documentation for this format

XML Template

<!-- Standard Deviation (same units as the quantity) -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty" >
  <!-- from Element: extension -->
 <valueDecimal value="[decimal]"/><!-- 1..1 Value of extension -->
</extension>

JSON Template

{ // Standard Deviation (same units as the quantity)
  // from Element: extension
    "url" : "http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty", // R! 
    "valueDecimal" : <decimal> // R! Value of extension
  }

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1decimalURL = http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty
Standard Deviation (same units as the quantity): The primary measure of variance/uncertainty of the value (the square root of the sum of the squares of the differences between all data points and the mean).
Use on data type: Quantity

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty
Standard Deviation (same units as the quantity): The primary measure of variance/uncertainty of the value (the square root of the sum of the squares of the differences between all data points and the mean).
Use on data type: Quantity
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty"
... valueDecimal 1..1decimalValue of extension

doco Documentation for this format

XML Template

<!-- Standard Deviation (same units as the quantity) -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty" >
  <!-- from Element: extension -->
 <valueDecimal value="[decimal]"/><!-- 1..1 Value of extension -->
</extension>

JSON Template

{ // Standard Deviation (same units as the quantity)
  // from Element: extension
    "url" : "http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty", // R! 
    "valueDecimal" : <decimal> // R! Value of extension
  }